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Algae MCQ Questions And Answers - Biology Class 11

Algae MCQs : This section focuses on the "Algae" in Biology Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Biology Class 11 skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

Algae exist in environments ranging from?

A. oceans
B. rivers
C. ponds
D. All of the above

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Question 2

Algae are usually green.

C. Can be true or false
D. Can not say

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Question 3

Which of the following is not true?

A. Algae are photosynthetic organisms
B. Algae is unicellular organisms only
C. Algaes are found where there is adequate moisture
D. Algae are free-living

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Question 4

Which algae also called rhodophyta?

A. Green Algae
B. Blue Algae
C. Red Algae
D. Pink Algae

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Question 5

Which of the following modes are used by spirogyra to reproduce?

A. Fragmentation
B. Multiple fission
C. Spore formation
D. Binary fission

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Question 6

Example of unicellular ?

A. diatoms
B. euglenophyta
C. dinoflagellates
D. All of the above

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Question 7

During unfavourable conditions, the outer layer that is formed in chlamydomonas is called as ______

A. Cellular membrane
B. Cell wall
C. Cyst
D. Nuclear membrane

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Question 8

Most algae require a moist or watery environment.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 9

Which among the following is an incorrect statement?

A. Chlamydomanas is an example of unicellular algae
B. Ulothrea is a unicellular autotrophic algal
C. Chlamydomanas have flagella to promote their movement
D. Spirogyra attains its name because of spiral like arrangement of chloroplasts

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Question 10

Which of the following is not the basis for sub-classification in plants?

A. Well differentiable structure
B. Presence of seeds
C. Structure of branches
D. Seed coat

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